./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.telephony.7.prop1-func-interl.c --full-output --architecture 64bit


--------------------------------------------------------------------------------


Checking for ERROR reachability
Using default analysis
Version a0165632
Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1e59da5-6008-4f20-84f7-8ad6d91f8c5d/bin/uautomizer-verify-jihMAELWvX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1e59da5-6008-4f20-84f7-8ad6d91f8c5d/bin/uautomizer-verify-jihMAELWvX/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1e59da5-6008-4f20-84f7-8ad6d91f8c5d/bin/uautomizer-verify-jihMAELWvX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1e59da5-6008-4f20-84f7-8ad6d91f8c5d/bin/uautomizer-verify-jihMAELWvX/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.telephony.7.prop1-func-interl.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1e59da5-6008-4f20-84f7-8ad6d91f8c5d/bin/uautomizer-verify-jihMAELWvX/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1e59da5-6008-4f20-84f7-8ad6d91f8c5d/bin/uautomizer-verify-jihMAELWvX --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) )

 --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 302e0b25ab5e724f956de377dfc80a50b1a465bcb2a4596e79c73f892ebfd861
--- Real Ultimate output ---
This is Ultimate 0.2.5-dev-a016563
[2024-11-08 16:28:03,017 INFO  L188        SettingsManager]: Resetting all preferences to default values...
[2024-11-08 16:28:03,127 INFO  L114        SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1e59da5-6008-4f20-84f7-8ad6d91f8c5d/bin/uautomizer-verify-jihMAELWvX/config/svcomp-Reach-64bit-Automizer_Default.epf
[2024-11-08 16:28:03,133 WARN  L101        SettingsManager]: Preference file contains the following unknown settings:
[2024-11-08 16:28:03,134 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-11-08 16:28:03,169 INFO  L130        SettingsManager]: Preferences different from defaults after loading the file:
[2024-11-08 16:28:03,172 INFO  L151        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-11-08 16:28:03,172 INFO  L153        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-11-08 16:28:03,173 INFO  L151        SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-11-08 16:28:03,173 INFO  L153        SettingsManager]:  * Use memory slicer=true
[2024-11-08 16:28:03,173 INFO  L151        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-11-08 16:28:03,174 INFO  L153        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-11-08 16:28:03,174 INFO  L151        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-11-08 16:28:03,175 INFO  L153        SettingsManager]:  * Create parallel compositions if possible=false
[2024-11-08 16:28:03,176 INFO  L153        SettingsManager]:  * Use SBE=true
[2024-11-08 16:28:03,177 INFO  L151        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-11-08 16:28:03,178 INFO  L153        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2024-11-08 16:28:03,180 INFO  L153        SettingsManager]:  * Overapproximate operations on floating types=true
[2024-11-08 16:28:03,180 INFO  L153        SettingsManager]:  * Check division by zero=IGNORE
[2024-11-08 16:28:03,180 INFO  L153        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2024-11-08 16:28:03,180 INFO  L153        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-11-08 16:28:03,181 INFO  L153        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2024-11-08 16:28:03,181 INFO  L153        SettingsManager]:  * Allow undefined functions=false
[2024-11-08 16:28:03,182 INFO  L153        SettingsManager]:  * Check if freed pointer was valid=false
[2024-11-08 16:28:03,182 INFO  L153        SettingsManager]:  * Use constant arrays=true
[2024-11-08 16:28:03,186 INFO  L151        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-11-08 16:28:03,186 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2024-11-08 16:28:03,187 INFO  L153        SettingsManager]:  * Only consider context switches at boundaries of atomic blocks=true
[2024-11-08 16:28:03,187 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2024-11-08 16:28:03,187 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-08 16:28:03,187 INFO  L151        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-11-08 16:28:03,188 INFO  L153        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2024-11-08 16:28:03,188 INFO  L153        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopHeads
[2024-11-08 16:28:03,188 INFO  L153        SettingsManager]:  * Trace refinement strategy=CAMEL
[2024-11-08 16:28:03,188 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2024-11-08 16:28:03,189 INFO  L153        SettingsManager]:  * Apply one-shot large block encoding in concurrent analysis=false
[2024-11-08 16:28:03,189 INFO  L153        SettingsManager]:  * Automaton type used in concurrency analysis=PETRI_NET
[2024-11-08 16:28:03,189 INFO  L153        SettingsManager]:  * Order on configurations for Petri net unfoldings=DBO
[2024-11-08 16:28:03,190 INFO  L153        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2024-11-08 16:28:03,193 INFO  L153        SettingsManager]:  * Looper check in Petri net analysis=SEMANTIC
WARNING: An illegal reflective access operation has occurred
WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1e59da5-6008-4f20-84f7-8ad6d91f8c5d/bin/uautomizer-verify-jihMAELWvX/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int)
WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1e59da5-6008-4f20-84f7-8ad6d91f8c5d/bin/uautomizer-verify-jihMAELWvX
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) )


Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 302e0b25ab5e724f956de377dfc80a50b1a465bcb2a4596e79c73f892ebfd861
[2024-11-08 16:28:03,491 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2024-11-08 16:28:03,519 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-11-08 16:28:03,522 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-11-08 16:28:03,524 INFO  L270        PluginConnector]: Initializing CDTParser...
[2024-11-08 16:28:03,525 INFO  L274        PluginConnector]: CDTParser initialized
[2024-11-08 16:28:03,526 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1e59da5-6008-4f20-84f7-8ad6d91f8c5d/bin/uautomizer-verify-jihMAELWvX/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.telephony.7.prop1-func-interl.c
Unable to find full path for "g++"
[2024-11-08 16:28:05,368 INFO  L533              CDTParser]: Created temporary CDT project at NULL
[2024-11-08 16:28:05,811 INFO  L384              CDTParser]: Found 1 translation units.
[2024-11-08 16:28:05,812 INFO  L180              CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1e59da5-6008-4f20-84f7-8ad6d91f8c5d/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.telephony.7.prop1-func-interl.c
[2024-11-08 16:28:05,849 INFO  L427              CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1e59da5-6008-4f20-84f7-8ad6d91f8c5d/bin/uautomizer-verify-jihMAELWvX/data/8ebbc1c9c/3eb4dcc111a9474793d8f2b8e1c9e985/FLAGac16e68bf
[2024-11-08 16:28:05,948 INFO  L435              CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1e59da5-6008-4f20-84f7-8ad6d91f8c5d/bin/uautomizer-verify-jihMAELWvX/data/8ebbc1c9c/3eb4dcc111a9474793d8f2b8e1c9e985
[2024-11-08 16:28:05,951 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-11-08 16:28:05,952 INFO  L133        ToolchainWalker]: Walking toolchain with 6 elements.
[2024-11-08 16:28:05,955 INFO  L112        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-11-08 16:28:05,955 INFO  L270        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-11-08 16:28:05,961 INFO  L274        PluginConnector]: CACSL2BoogieTranslator initialized
[2024-11-08 16:28:05,962 INFO  L184        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 04:28:05" (1/1) ...
[2024-11-08 16:28:05,963 INFO  L204        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3f43dd46 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:28:05, skipping insertion in model container
[2024-11-08 16:28:05,963 INFO  L184        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 04:28:05" (1/1) ...
[2024-11-08 16:28:06,117 INFO  L175         MainTranslator]: Built tables and reachable declarations
[2024-11-08 16:28:06,461 WARN  L250   ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1e59da5-6008-4f20-84f7-8ad6d91f8c5d/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.telephony.7.prop1-func-interl.c[1176,1189]
[2024-11-08 16:28:07,501 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-11-08 16:28:07,511 INFO  L200         MainTranslator]: Completed pre-run
[2024-11-08 16:28:07,524 WARN  L250   ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1e59da5-6008-4f20-84f7-8ad6d91f8c5d/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.telephony.7.prop1-func-interl.c[1176,1189]
[2024-11-08 16:28:08,148 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-11-08 16:28:08,166 INFO  L204         MainTranslator]: Completed translation
[2024-11-08 16:28:08,167 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:28:08 WrapperNode
[2024-11-08 16:28:08,167 INFO  L131        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-11-08 16:28:08,168 INFO  L112        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-11-08 16:28:08,168 INFO  L270        PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-11-08 16:28:08,169 INFO  L274        PluginConnector]: Boogie Procedure Inliner initialized
[2024-11-08 16:28:08,176 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:28:08" (1/1) ...
[2024-11-08 16:28:08,401 INFO  L184        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:28:08" (1/1) ...
[2024-11-08 16:28:11,618 INFO  L138                Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 22945
[2024-11-08 16:28:11,619 INFO  L131        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-11-08 16:28:11,620 INFO  L112        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-11-08 16:28:11,620 INFO  L270        PluginConnector]: Initializing Boogie Preprocessor...
[2024-11-08 16:28:11,620 INFO  L274        PluginConnector]: Boogie Preprocessor initialized
[2024-11-08 16:28:11,632 INFO  L184        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:28:08" (1/1) ...
[2024-11-08 16:28:11,632 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:28:08" (1/1) ...
[2024-11-08 16:28:12,200 INFO  L184        PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:28:08" (1/1) ...
[2024-11-08 16:28:12,703 INFO  L175           MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0].
[2024-11-08 16:28:12,707 INFO  L184        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:28:08" (1/1) ...
[2024-11-08 16:28:12,707 INFO  L184        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:28:08" (1/1) ...
[2024-11-08 16:28:13,508 INFO  L184        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:28:08" (1/1) ...
[2024-11-08 16:28:13,582 INFO  L184        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:28:08" (1/1) ...
[2024-11-08 16:28:13,712 INFO  L184        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:28:08" (1/1) ...
[2024-11-08 16:28:13,782 INFO  L184        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:28:08" (1/1) ...
[2024-11-08 16:28:14,481 INFO  L131        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-11-08 16:28:14,483 INFO  L112        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-11-08 16:28:14,484 INFO  L270        PluginConnector]: Initializing RCFGBuilder...
[2024-11-08 16:28:14,484 INFO  L274        PluginConnector]: RCFGBuilder initialized
[2024-11-08 16:28:14,485 INFO  L184        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:28:08" (1/1) ...
[2024-11-08 16:28:14,498 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-08 16:28:14,512 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1e59da5-6008-4f20-84f7-8ad6d91f8c5d/bin/uautomizer-verify-jihMAELWvX/z3
[2024-11-08 16:28:14,528 INFO  L229       MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1e59da5-6008-4f20-84f7-8ad6d91f8c5d/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null)
[2024-11-08 16:28:14,533 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1e59da5-6008-4f20-84f7-8ad6d91f8c5d/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process
[2024-11-08 16:28:14,556 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-11-08 16:28:14,557 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int#0
[2024-11-08 16:28:14,557 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-11-08 16:28:14,557 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-11-08 16:28:15,728 INFO  L238             CfgBuilder]: Building ICFG
[2024-11-08 16:28:15,731 INFO  L264             CfgBuilder]: Building CFG for each procedure with an implementation
[2024-11-08 16:29:12,163 INFO  L?                        ?]: Removed 12943 outVars from TransFormulas that were not future-live.
[2024-11-08 16:29:12,163 INFO  L287             CfgBuilder]: Performing block encoding
[2024-11-08 16:29:12,286 INFO  L311             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-11-08 16:29:12,287 INFO  L316             CfgBuilder]: Removed 1 assume(true) statements.
[2024-11-08 16:29:12,287 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 04:29:12 BoogieIcfgContainer
[2024-11-08 16:29:12,289 INFO  L131        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-11-08 16:29:12,291 INFO  L112        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-11-08 16:29:12,293 INFO  L270        PluginConnector]: Initializing TraceAbstraction...
[2024-11-08 16:29:12,296 INFO  L274        PluginConnector]: TraceAbstraction initialized
[2024-11-08 16:29:12,296 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.11 04:28:05" (1/3) ...
[2024-11-08 16:29:12,297 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4248ed4f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 04:29:12, skipping insertion in model container
[2024-11-08 16:29:12,297 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:28:08" (2/3) ...
[2024-11-08 16:29:12,299 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4248ed4f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 04:29:12, skipping insertion in model container
[2024-11-08 16:29:12,299 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 04:29:12" (3/3) ...
[2024-11-08 16:29:12,300 INFO  L112   eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.telephony.7.prop1-func-interl.c
[2024-11-08 16:29:12,319 INFO  L214   ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-11-08 16:29:12,319 INFO  L154   ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2024-11-08 16:29:12,500 INFO  L332      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-11-08 16:29:12,511 INFO  L333      AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@44c64b99, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-11-08 16:29:12,511 INFO  L334      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2024-11-08 16:29:12,536 INFO  L276                IsEmpty]: Start isEmpty. Operand  has 8103 states, 8101 states have (on average 1.5043821750401185) internal successors, (12187), 8102 states have internal predecessors, (12187), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-08 16:29:12,573 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 326
[2024-11-08 16:29:12,574 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-08 16:29:12,576 INFO  L215           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-08 16:29:12,577 INFO  L396      AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-08 16:29:12,582 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-08 16:29:12,583 INFO  L85        PathProgramCache]: Analyzing trace with hash 1476329902, now seen corresponding path program 1 times
[2024-11-08 16:29:12,592 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-08 16:29:12,593 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [829066971]
[2024-11-08 16:29:12,593 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 16:29:12,593 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-08 16:29:13,184 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 16:29:14,986 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-08 16:29:14,986 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-08 16:29:14,986 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [829066971]
[2024-11-08 16:29:14,987 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [829066971] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-08 16:29:14,987 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-08 16:29:14,987 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-11-08 16:29:14,990 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1365108580]
[2024-11-08 16:29:14,990 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-08 16:29:14,997 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-11-08 16:29:14,997 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-08 16:29:15,024 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-11-08 16:29:15,025 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2024-11-08 16:29:15,043 INFO  L87              Difference]: Start difference. First operand  has 8103 states, 8101 states have (on average 1.5043821750401185) internal successors, (12187), 8102 states have internal predecessors, (12187), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand  has 5 states, 5 states have (on average 65.0) internal successors, (325), 5 states have internal predecessors, (325), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-08 16:29:24,791 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-08 16:29:24,791 INFO  L93              Difference]: Finished difference Result 23669 states and 35609 transitions.
[2024-11-08 16:29:24,793 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2024-11-08 16:29:24,794 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 65.0) internal successors, (325), 5 states have internal predecessors, (325), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 325
[2024-11-08 16:29:24,795 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-08 16:29:24,859 INFO  L225             Difference]: With dead ends: 23669
[2024-11-08 16:29:24,860 INFO  L226             Difference]: Without dead ends: 15876
[2024-11-08 16:29:24,874 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30
[2024-11-08 16:29:24,877 INFO  L432           NwaCegarLoop]: 9800 mSDtfsCounter, 11846 mSDsluCounter, 29177 mSDsCounter, 0 mSdLazyCounter, 9284 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11846 SdHoareTripleChecker+Valid, 38977 SdHoareTripleChecker+Invalid, 9285 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 9284 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.0s IncrementalHoareTripleChecker+Time
[2024-11-08 16:29:24,879 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [11846 Valid, 38977 Invalid, 9285 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [1 Valid, 9284 Invalid, 0 Unknown, 0 Unchecked, 9.0s Time]
[2024-11-08 16:29:24,918 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 15876 states.
[2024-11-08 16:29:25,175 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 15876 to 8422.
[2024-11-08 16:29:25,196 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 8422 states, 8421 states have (on average 1.5038593991212446) internal successors, (12664), 8421 states have internal predecessors, (12664), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-08 16:29:25,226 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 8422 states to 8422 states and 12664 transitions.
[2024-11-08 16:29:25,228 INFO  L78                 Accepts]: Start accepts. Automaton has 8422 states and 12664 transitions. Word has length 325
[2024-11-08 16:29:25,232 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-08 16:29:25,232 INFO  L471      AbstractCegarLoop]: Abstraction has 8422 states and 12664 transitions.
[2024-11-08 16:29:25,233 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 65.0) internal successors, (325), 5 states have internal predecessors, (325), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-08 16:29:25,233 INFO  L276                IsEmpty]: Start isEmpty. Operand 8422 states and 12664 transitions.
[2024-11-08 16:29:25,239 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 328
[2024-11-08 16:29:25,239 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-08 16:29:25,239 INFO  L215           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-08 16:29:25,240 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2024-11-08 16:29:25,240 INFO  L396      AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-08 16:29:25,241 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-08 16:29:25,241 INFO  L85        PathProgramCache]: Analyzing trace with hash -1308042965, now seen corresponding path program 1 times
[2024-11-08 16:29:25,241 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-08 16:29:25,242 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [427330990]
[2024-11-08 16:29:25,242 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 16:29:25,242 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-08 16:29:25,462 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 16:29:26,342 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-08 16:29:26,343 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-08 16:29:26,344 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [427330990]
[2024-11-08 16:29:26,344 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [427330990] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-08 16:29:26,344 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-08 16:29:26,345 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-11-08 16:29:26,345 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1305611230]
[2024-11-08 16:29:26,345 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-08 16:29:26,348 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-11-08 16:29:26,349 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-08 16:29:26,351 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-11-08 16:29:26,352 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-11-08 16:29:26,352 INFO  L87              Difference]: Start difference. First operand 8422 states and 12664 transitions. Second operand  has 4 states, 4 states have (on average 81.75) internal successors, (327), 4 states have internal predecessors, (327), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-08 16:29:26,533 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-08 16:29:26,534 INFO  L93              Difference]: Finished difference Result 8426 states and 12668 transitions.
[2024-11-08 16:29:26,534 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-11-08 16:29:26,535 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 81.75) internal successors, (327), 4 states have internal predecessors, (327), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 327
[2024-11-08 16:29:26,536 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-08 16:29:26,565 INFO  L225             Difference]: With dead ends: 8426
[2024-11-08 16:29:26,565 INFO  L226             Difference]: Without dead ends: 8424
[2024-11-08 16:29:26,572 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-11-08 16:29:26,573 INFO  L432           NwaCegarLoop]: 12179 mSDtfsCounter, 0 mSDsluCounter, 24352 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 36531 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-11-08 16:29:26,577 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 36531 Invalid, 11 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-08 16:29:26,592 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 8424 states.
[2024-11-08 16:29:26,808 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 8424 to 8424.
[2024-11-08 16:29:26,827 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 8424 states, 8423 states have (on average 1.5037397601804583) internal successors, (12666), 8423 states have internal predecessors, (12666), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-08 16:29:26,848 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 8424 states to 8424 states and 12666 transitions.
[2024-11-08 16:29:26,848 INFO  L78                 Accepts]: Start accepts. Automaton has 8424 states and 12666 transitions. Word has length 327
[2024-11-08 16:29:26,849 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-08 16:29:26,849 INFO  L471      AbstractCegarLoop]: Abstraction has 8424 states and 12666 transitions.
[2024-11-08 16:29:26,850 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 81.75) internal successors, (327), 4 states have internal predecessors, (327), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-08 16:29:26,850 INFO  L276                IsEmpty]: Start isEmpty. Operand 8424 states and 12666 transitions.
[2024-11-08 16:29:26,856 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 329
[2024-11-08 16:29:26,857 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-08 16:29:26,857 INFO  L215           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-08 16:29:26,857 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2024-11-08 16:29:26,858 INFO  L396      AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-08 16:29:26,859 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-08 16:29:26,860 INFO  L85        PathProgramCache]: Analyzing trace with hash -1892929014, now seen corresponding path program 1 times
[2024-11-08 16:29:26,860 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-08 16:29:26,860 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [172650736]
[2024-11-08 16:29:26,861 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 16:29:26,861 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-08 16:29:27,013 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 16:29:27,524 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-08 16:29:27,524 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-08 16:29:27,524 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [172650736]
[2024-11-08 16:29:27,525 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [172650736] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-08 16:29:27,525 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-08 16:29:27,525 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-11-08 16:29:27,525 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1769244377]
[2024-11-08 16:29:27,525 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-08 16:29:27,527 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-11-08 16:29:27,527 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-08 16:29:27,528 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-11-08 16:29:27,529 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-11-08 16:29:27,530 INFO  L87              Difference]: Start difference. First operand 8424 states and 12666 transitions. Second operand  has 4 states, 4 states have (on average 82.0) internal successors, (328), 4 states have internal predecessors, (328), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-08 16:29:27,761 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-08 16:29:27,762 INFO  L93              Difference]: Finished difference Result 16217 states and 24388 transitions.
[2024-11-08 16:29:27,762 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-11-08 16:29:27,763 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 82.0) internal successors, (328), 4 states have internal predecessors, (328), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 328
[2024-11-08 16:29:27,764 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-08 16:29:27,797 INFO  L225             Difference]: With dead ends: 16217
[2024-11-08 16:29:27,797 INFO  L226             Difference]: Without dead ends: 8426
[2024-11-08 16:29:27,805 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-11-08 16:29:27,808 INFO  L432           NwaCegarLoop]: 12179 mSDtfsCounter, 0 mSDsluCounter, 24348 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 36527 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-11-08 16:29:27,810 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 36527 Invalid, 15 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-08 16:29:27,823 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 8426 states.
[2024-11-08 16:29:27,951 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 8426 to 8426.
[2024-11-08 16:29:27,968 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 8426 states, 8425 states have (on average 1.503620178041543) internal successors, (12668), 8425 states have internal predecessors, (12668), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-08 16:29:27,985 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 8426 states to 8426 states and 12668 transitions.
[2024-11-08 16:29:27,985 INFO  L78                 Accepts]: Start accepts. Automaton has 8426 states and 12668 transitions. Word has length 328
[2024-11-08 16:29:27,986 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-08 16:29:27,986 INFO  L471      AbstractCegarLoop]: Abstraction has 8426 states and 12668 transitions.
[2024-11-08 16:29:27,986 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 82.0) internal successors, (328), 4 states have internal predecessors, (328), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-08 16:29:27,987 INFO  L276                IsEmpty]: Start isEmpty. Operand 8426 states and 12668 transitions.
[2024-11-08 16:29:27,992 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 330
[2024-11-08 16:29:27,993 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-08 16:29:27,993 INFO  L215           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-08 16:29:27,993 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2024-11-08 16:29:27,993 INFO  L396      AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-08 16:29:27,994 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-08 16:29:27,994 INFO  L85        PathProgramCache]: Analyzing trace with hash 350778852, now seen corresponding path program 1 times
[2024-11-08 16:29:27,994 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-08 16:29:27,994 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [263011971]
[2024-11-08 16:29:27,995 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 16:29:27,995 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-08 16:29:28,225 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 16:29:28,926 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-08 16:29:28,927 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-08 16:29:28,928 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [263011971]
[2024-11-08 16:29:28,928 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [263011971] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-08 16:29:28,928 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-08 16:29:28,928 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-11-08 16:29:28,929 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [857495740]
[2024-11-08 16:29:28,929 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-08 16:29:28,930 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-11-08 16:29:28,930 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-08 16:29:28,931 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-11-08 16:29:28,931 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2024-11-08 16:29:28,932 INFO  L87              Difference]: Start difference. First operand 8426 states and 12668 transitions. Second operand  has 5 states, 5 states have (on average 65.8) internal successors, (329), 5 states have internal predecessors, (329), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-08 16:29:29,309 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-08 16:29:29,309 INFO  L93              Difference]: Finished difference Result 22419 states and 33722 transitions.
[2024-11-08 16:29:29,310 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2024-11-08 16:29:29,310 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 65.8) internal successors, (329), 5 states have internal predecessors, (329), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 329
[2024-11-08 16:29:29,311 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-08 16:29:29,339 INFO  L225             Difference]: With dead ends: 22419
[2024-11-08 16:29:29,339 INFO  L226             Difference]: Without dead ends: 14626
[2024-11-08 16:29:29,350 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30
[2024-11-08 16:29:29,351 INFO  L432           NwaCegarLoop]: 12175 mSDtfsCounter, 9962 mSDsluCounter, 36056 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9962 SdHoareTripleChecker+Valid, 48231 SdHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2024-11-08 16:29:29,352 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [9962 Valid, 48231 Invalid, 30 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2024-11-08 16:29:29,374 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 14626 states.
[2024-11-08 16:29:29,543 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 14626 to 8429.
[2024-11-08 16:29:29,558 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 8429 states, 8428 states have (on average 1.5034409112482203) internal successors, (12671), 8428 states have internal predecessors, (12671), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-08 16:29:29,574 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 8429 states to 8429 states and 12671 transitions.
[2024-11-08 16:29:29,574 INFO  L78                 Accepts]: Start accepts. Automaton has 8429 states and 12671 transitions. Word has length 329
[2024-11-08 16:29:29,575 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-08 16:29:29,575 INFO  L471      AbstractCegarLoop]: Abstraction has 8429 states and 12671 transitions.
[2024-11-08 16:29:29,575 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 65.8) internal successors, (329), 5 states have internal predecessors, (329), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-08 16:29:29,575 INFO  L276                IsEmpty]: Start isEmpty. Operand 8429 states and 12671 transitions.
[2024-11-08 16:29:29,832 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 4149
[2024-11-08 16:29:29,832 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-08 16:29:29,835 INFO  L215           NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-08 16:29:29,835 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2024-11-08 16:29:29,836 INFO  L396      AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-08 16:29:29,836 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-08 16:29:29,839 INFO  L85        PathProgramCache]: Analyzing trace with hash -1890785300, now seen corresponding path program 1 times
[2024-11-08 16:29:29,839 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-08 16:29:29,839 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2115779146]
[2024-11-08 16:29:29,841 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 16:29:29,841 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-08 16:29:40,377 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 16:29:54,970 INFO  L134       CoverageAnalysis]: Checked inductivity of 168 backedges. 168 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-08 16:29:54,971 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-08 16:29:54,971 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2115779146]
[2024-11-08 16:29:54,973 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2115779146] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-08 16:29:54,973 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-08 16:29:54,974 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-11-08 16:29:54,975 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [31593056]
[2024-11-08 16:29:54,975 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-08 16:29:54,979 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-11-08 16:29:54,979 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-08 16:29:54,984 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-11-08 16:29:54,984 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-11-08 16:29:54,987 INFO  L87              Difference]: Start difference. First operand 8429 states and 12671 transitions. Second operand  has 4 states, 4 states have (on average 1037.0) internal successors, (4148), 4 states have internal predecessors, (4148), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-08 16:29:56,547 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-08 16:29:56,547 INFO  L93              Difference]: Finished difference Result 16222 states and 24392 transitions.
[2024-11-08 16:29:56,548 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-11-08 16:29:56,549 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 1037.0) internal successors, (4148), 4 states have internal predecessors, (4148), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 4148
[2024-11-08 16:29:56,550 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-08 16:29:56,565 INFO  L225             Difference]: With dead ends: 16222
[2024-11-08 16:29:56,565 INFO  L226             Difference]: Without dead ends: 8429
[2024-11-08 16:29:56,574 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2024-11-08 16:29:56,575 INFO  L432           NwaCegarLoop]: 12145 mSDtfsCounter, 11857 mSDsluCounter, 12143 mSDsCounter, 0 mSdLazyCounter, 69 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11857 SdHoareTripleChecker+Valid, 24288 SdHoareTripleChecker+Invalid, 69 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 69 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time
[2024-11-08 16:29:56,575 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [11857 Valid, 24288 Invalid, 69 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 69 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time]
[2024-11-08 16:29:56,588 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 8429 states.
[2024-11-08 16:29:56,700 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 8429 to 8429.
[2024-11-08 16:29:56,715 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 8429 states, 8428 states have (on average 1.5033222591362125) internal successors, (12670), 8428 states have internal predecessors, (12670), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-08 16:29:56,729 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 8429 states to 8429 states and 12670 transitions.
[2024-11-08 16:29:56,729 INFO  L78                 Accepts]: Start accepts. Automaton has 8429 states and 12670 transitions. Word has length 4148
[2024-11-08 16:29:56,731 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-08 16:29:56,731 INFO  L471      AbstractCegarLoop]: Abstraction has 8429 states and 12670 transitions.
[2024-11-08 16:29:56,733 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 1037.0) internal successors, (4148), 4 states have internal predecessors, (4148), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-08 16:29:56,733 INFO  L276                IsEmpty]: Start isEmpty. Operand 8429 states and 12670 transitions.
[2024-11-08 16:29:56,861 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 4150
[2024-11-08 16:29:56,861 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-08 16:29:56,864 INFO  L215           NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-08 16:29:56,864 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4
[2024-11-08 16:29:56,865 INFO  L396      AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-08 16:29:56,865 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-08 16:29:56,868 INFO  L85        PathProgramCache]: Analyzing trace with hash -426451122, now seen corresponding path program 1 times
[2024-11-08 16:29:56,869 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-08 16:29:56,869 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [879913943]
[2024-11-08 16:29:56,871 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 16:29:56,872 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-08 16:30:03,987 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 16:30:12,234 INFO  L134       CoverageAnalysis]: Checked inductivity of 168 backedges. 168 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-08 16:30:12,235 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-08 16:30:12,235 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [879913943]
[2024-11-08 16:30:12,235 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [879913943] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-08 16:30:12,236 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-08 16:30:12,237 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-11-08 16:30:12,237 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1455839671]
[2024-11-08 16:30:12,238 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-08 16:30:12,241 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-11-08 16:30:12,242 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-08 16:30:12,245 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-11-08 16:30:12,246 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-11-08 16:30:12,248 INFO  L87              Difference]: Start difference. First operand 8429 states and 12670 transitions. Second operand  has 4 states, 4 states have (on average 1037.25) internal successors, (4149), 4 states have internal predecessors, (4149), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-08 16:30:12,571 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-08 16:30:12,571 INFO  L93              Difference]: Finished difference Result 16222 states and 24390 transitions.
[2024-11-08 16:30:12,572 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-11-08 16:30:12,574 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 1037.25) internal successors, (4149), 4 states have internal predecessors, (4149), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 4149
[2024-11-08 16:30:12,576 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-08 16:30:12,590 INFO  L225             Difference]: With dead ends: 16222
[2024-11-08 16:30:12,591 INFO  L226             Difference]: Without dead ends: 8429
[2024-11-08 16:30:12,600 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2024-11-08 16:30:12,604 INFO  L432           NwaCegarLoop]: 12144 mSDtfsCounter, 11839 mSDsluCounter, 12142 mSDsCounter, 0 mSdLazyCounter, 69 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11839 SdHoareTripleChecker+Valid, 24286 SdHoareTripleChecker+Invalid, 69 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 69 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time
[2024-11-08 16:30:12,605 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [11839 Valid, 24286 Invalid, 69 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 69 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time]
[2024-11-08 16:30:12,618 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 8429 states.
[2024-11-08 16:30:12,721 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 8429 to 8429.
[2024-11-08 16:30:12,736 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 8429 states, 8428 states have (on average 1.503203607024205) internal successors, (12669), 8428 states have internal predecessors, (12669), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-08 16:30:12,751 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 8429 states to 8429 states and 12669 transitions.
[2024-11-08 16:30:12,751 INFO  L78                 Accepts]: Start accepts. Automaton has 8429 states and 12669 transitions. Word has length 4149
[2024-11-08 16:30:12,753 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-08 16:30:12,753 INFO  L471      AbstractCegarLoop]: Abstraction has 8429 states and 12669 transitions.
[2024-11-08 16:30:12,758 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 1037.25) internal successors, (4149), 4 states have internal predecessors, (4149), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-08 16:30:12,762 INFO  L276                IsEmpty]: Start isEmpty. Operand 8429 states and 12669 transitions.
[2024-11-08 16:30:13,394 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 4151
[2024-11-08 16:30:13,395 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-08 16:30:13,397 INFO  L215           NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-08 16:30:13,398 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5
[2024-11-08 16:30:13,398 INFO  L396      AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-08 16:30:13,398 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-08 16:30:13,401 INFO  L85        PathProgramCache]: Analyzing trace with hash 908589289, now seen corresponding path program 1 times
[2024-11-08 16:30:13,401 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-08 16:30:13,401 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1835944772]
[2024-11-08 16:30:13,402 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 16:30:13,403 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-08 16:30:19,780 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat